tests/test_middleware.py: New file

tests/test_middleware.py

+from synergine2.config import Config
+from synergine2_cocos2d.middleware import MapMiddleware
+
+class TestMapMiddleware:
+    def test_get_map_file_path(self):
+        test = MapMiddleware(Config(), 'map/003')
+        assert test.get_map_file_path() == 'map/003/003.tmx'
+        test = MapMiddleware(Config(), 'map/003/')
+        assert test.get_map_file_path() == 'map/003/003.tmx'
+